RECRUITING

BGB-21447 (Bcl-2 Inhibitor) Combinations for Adults With Hormone-Receptor Positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Metastatic Breast Cancer

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Conditions

Hormone-receptor-positive Breast CancerHER2-negative Breast CancerMetastatic Breast CancerBGB-21447BGB-43395Bcl-2iCDK4i

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Study Overview

This clinical trial focuses on testing the efficacy of different digital interventions to promote re-engagement in cancer-related long-term follow-up care for adolescent and young adult (AYA) survivors of childhood cancer.

Description

The purpose of this study is to assess the safety and tolerability of BGB-21447 (a B-cell leukemia/lymphoma 2 inhibitor, Bcl-2i) in combination with fulvestrant, with or without BGB-43395 (cyclin-dependent kinase 4 inhibitor, CDK4i), in adults with HR+/HER2- metastatic breast cancer.

Official Title

A Phase 1 Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Preliminary Antitumor Activity of BGB-21447 (a Bcl-2 Inhibitor) Combinations for Patients With HR+/HER2- Metastatic Breast Cancer

Quick Facts

Study Start:2025-02-04
Study Completion:2027-06-30
Study Type:Not specified
Phase:Not Applicable
Enrollment:Not specified
Status:RECRUITING

Study ID

NCT06756932

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Ages Eligible for Study:18 Years
Sexes Eligible for Study:ALL
Accepts Healthy Volunteers:No
Standard Ages:ADULT, OLDER_ADULT
Inclusion CriteriaExclusion Criteria
  1. * Histologically or cytologically confirmed HR+/HER2- metastatic breast cancer. Participants must have received at least 2 prior lines of treatment for metastatic disease, including prior endocrine therapy and CDK4/6 inhibitor in either the adjuvant or advanced/metastatic setting.
  2. * Female participants with metastatic breast cancer will be required (either continue ongoing or initiate as soon as feasible) to have ovarian function suppression using GnRH agonists (such as goserelin) or be postmenopausal.
  3. * Male participants will be required to use gonadotropin-releasing hormone (GnRH) agonists when being treated with aromatase inhibitors and can be treated with GnRH agonists when being treated with fulvestrant at the discretion of the investigator.
  4. * Participants must have a stable Eastern Cooperative Oncology Group (ECOG) Performance Status of ≤ 1.
  5. * Adequate organ function.
  6. * Female participants of childbearing potential and nonsterile male participants with female partners of childbearing potential must be willing to use a highly effective method of birth control for the duration of the study and for 90 days after the last dose of BGB-21447, 3 months after the last dose of BGB-43395, and 2 years after the last dose of fulvestrant.
  1. * Prior Bcl-2 inhibitor exposure.
  2. * Known leptomeningeal disease or uncontrolled, untreated brain metastases.
  3. * Any malignancy ≤ 3 years before the first dose of study treatment(s) except for the specific cancer under investigation in this study and any locally recurring cancer that has been treated with curative intent (eg, treated papillary thyroid carcinoma, resected basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the cervix or breast).
  4. * Uncontrolled diabetes.
  5. * History of hepatitis B or active Hepatitis C infection

Contacts and Locations

Study Contact

Study Director
CONTACT
1.877.828.5568
clinicaltrials@beigene.com

Principal Investigator

Study Director
STUDY_DIRECTOR
BeiGene

Study Locations (Sites)

Hoag Memorial Presbyterian
Newport, California, 92663
United States
University of Iowa Hospitals and Clinics
Iowa City, Iowa, 52242
United States
Md Anderson Cancer Center
Houston, Texas, 77030
United States
Fred Hutchinson Cancer Research Center
Seattle, Washington, 98109
United States

Collaborators and Investigators

Sponsor: BeiGene

  • Study Director, STUDY_DIRECTOR, BeiGene

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates

Study Start Date2025-02-04
Study Completion Date2027-06-30

Study Record Updates

Study Start Date2025-02-04
Study Completion Date2027-06-30

Terms related to this study

Keywords Provided by Researchers

  • BGB-21447
  • BGB-43395
  • metastatic breast cancer
  • Bcl-2i
  • CDK4i

Additional Relevant MeSH Terms

  • Hormone-receptor-positive Breast Cancer
  • HER2-negative Breast Cancer
  • Metastatic Breast Cancer